@article{Chen2012ConservedGD,
title={Conserved genetic determinant of motor organ identity in Medicago truncatula and related legumes.},
author={Jianghua Chen and Carol Moreau and Yu Liu and Masayoshi Kawaguchi and Julie M I Hofer and Noel Ellis and Rujin Chen},
journal={Proceedings of the National Academy of Sciences of the United States of America},
year={2012},
volume={109 29},
pages={
11723-8
}
}

Plants exhibit various kinds of movements that have fascinated scientists and the public for centuries. Physiological studies in plants with the so-called motor organ or pulvinus suggest that cells at opposite sides of the pulvinus mediate leaf or leaflet movements by swelling and shrinking. How motor organ identity is determined is unknown. Using a genetic approach, we isolated a mutant designated elongated petiolule1 (elp1) from Medicago truncatula that fails to fold its leaflets in the dark… CONTINUE READING